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Alfred Russel Wallace

1823–1913

Naturalist. Collector in the Amazon, 1848–52; in the Malay Archipelago, 1854–62. Independently formulated a theory of evolution by natural selection in 1858. Lecturer and author of works on protective coloration, mimicry, and zoogeography. President of the Land Nationalisation Society, 1881–1913. Wrote on socialism, spiritualism, and vaccination. FRS 1893.